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1999 Jeep Grand Cherokee Performance Chips & Programmers

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Latest Customer Reviews

Hypertech Max Energy Programmer Reviews


Easy to use

Reviewed By Jamie H (Bay City, MI) Reviewed for a 2006 Jeep Grand Cherokee —5/9/2017 12:59 PM

Works great easy to use and simple to update.

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Superchips TrailDash2 Jeep Tuner Reviews


Superchips TrailDash2 Jeep Tuner

Reviewed By Jason A (WALLINGFORD, CT) Reviewed for a 2009 Jeep Grand Cherokee —5/6/2017 6:31 PM

This tuner is really is everything it's advertised as. I don't use many of the features yet but with a little tinkering it's easy to navigate the menu options. The performance tunes work really well. Really woke of the 5.7 HEMI in my Jeep. All touch screen and if you want to make it your primary monitoring system it mounts nicely above the dash. Highly recommend this for anyone looking for some extra performance or even wants to get a little better gas mileage.

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Jet Performance Module Reviews


High hopes

Reviewed By Will B (HUBBARD, OR) Reviewed for a 2011 Jeep Grand Cherokee —2/7/2016 5:57 PM

Read that works best if used with premium fuel, have ran premium in it the whole time I've owned my jeep. It does actually work as advertised. More power across entire RPM range, has increased my mpg by only 2 though nut still an improvement.

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